Early I make the following extract: A very valuable part of the property so lost . . . consisted of a very large number of picks and spades. . . . All of our heavy guns, including some recently arrived and not mounted, together with a good deal of ammunition piled upon the wharf, had to be left behind [II., 94].
The steamboats he mentions were controlled in Richmond.
As to the loss of very valuable picks and spades, Colonel Henry To Douglas, chief engineer at Yorktown, wrote to me, May 12th, 1883:
Region between Washington and Richmond.
I was at Yorktown the evening before the evacuation commenced.
I did not see any quantity of picks and shovels there, and cannot understand how they could have accumulated there when they were needed so much from Redoubt Number Five to Lee's Mills — that is, on the extreme right of our line.
General D. H. Hill, who commanded in and near Yorktown, said, in his official report: We lost very little by the retreat, save some medical stores